Protesters gathering in Chicago for the NATO summit were gearing up for their largest demonstration Sunday, when thousands are expected to march from a downtown park to the lakeside convention center where President Barack Obama and dozens of other world leaders will meet.

Twenty-two states and the District of Columbia are backing Montana in its fight to prevent the U.S. Supreme Court's 2010 Citizens United decision from being used to strike down state laws restricting corporate campaign spending.

A blind Chinese legal activist who was suddenly allowed to leave the country arrived in the U.S. on Saturday, ending a nearly monthlong diplomatic tussle that had tested U.S.-China relations.

A day after the historic Facebook IPO, founder and CEO Mark Zuckerberg updated his status Saturday to "married."

Confronting an economic crisis that threatens them all, President Barack Obama and leaders of other world powers on Saturday declared that their governments must both spark growth and cut the debt that has crippled the European continent and put investors worldwide on edge.

Tropical Storm Alberto swirled off the South Carolina coast packing maximum sustained winds of 50 mph (85 kph) on Sunday, a day after becoming the first tropical storm of the 2012 hurricane season, the National Hurricane Center said.

The western United States and eastern Asia will be treated this weekend to a rare solar spectacle when the moon slides across the sun, creating a "ring of fire."

The first-ever transgender contestant to compete in the Miss Universe Canada pageant strutted the runway Saturday night, making it to the penultimate round before losing her bid to win the title.

Kristen Wiig got a musical sendoff on the season finale of "Saturday Night Live" as the popular and versatile cast member made her exit after seven years.

Kevin Durant stood above the 3-point line and watched the shot clock dwindle in the final seconds of Game 4. When Metta World Peace backed up slightly on defense, Durant hesitated only an instant before launching a 26-footer.